SwingFiles
mobi → gzPACKAGE • Local processing

Package .MOBI → .GZ

Place the source file in a new archive or compressed stream. Processing happens on your device, with no file upload.

Package .MOBI → .GZ

Drop Files for Local Browser Processing

Auto-detects magic bytes • Zero daily caps • Instant ZIP & P2P Swing chaining

Target Format & Engine Parameters

PACKAGE: Place the source file in a new archive or compressed stream.

Compute Engine:

Technical Specifications: MOBI (.mobi) vs GZ (.gz)

Specification ParameterSource: .MOBI (MOBI)Target: .GZ (GZ)
Full Format NameMobipocket eBook FormatGNU Zip Compressed Stream
IANA MIME Typeapplication/x-mobipocket-ebookapplication/gzip
Magic Byte Signature (Hex)42 4F 4F 4B 4D 4F 42 491F 8B 08
Compression & FidelityLossless SupportedLossless Supported
Alpha / Transparency & DepthUTF-8 / Binary Structured StreamUTF-8 / Binary Structured Stream
Typical Size Reduction Ratio2.6:13.1:1
OS & Platform SupportCross-Platform via SwingFiles WebAssembly EngineCross-Platform via SwingFiles WebAssembly Engine

Processing Steps

  1. 1. Drop .MOBI Files Locally
    Choose MOBI (application/x-mobipocket-ebook) files from your device. The browser checks their type before processing.
  2. 2. Package Locally
    Place the source file in a new archive or compressed stream.
  3. 3. Save .GZ or Swing P2P
    Download the .gz output, export a batch ZIP, or choose "Convert & Swing" to transfer it to another device.

Frequently Asked Questions

What does this MOBI to GZ route produce?

Place the source file in a new archive or compressed stream. The target format may have different quality or capabilities than the source.

Does the .mobi file leave my device?

The conversion runs in your browser. Files are not uploaded to a conversion server.

Can I process large .mobi files or batches?

There is no daily conversion quota. Large files and batch size depend on available browser memory and the format engine.

Reverse Pair (GZ-TO-MOBI) & Related Format Conversions

MOBI to ZIPMOBI to TARMOBI to TGZMOBI to 7Z

Same-Wi-Fi P2P Radar Discovery

Devices on the same Wi-Fi appear automatically below — zero codes needed

Scanning local Wi-Fi subnet… Open this page on another device to pair automatically
AES-256-GCM file key stays in the peer channel; compare fingerprints before transferringPeer-to-peer · live speed appears during transfer

Phone ↔ PC Room Pairing

VERIFY PEER
6-Digit Swing Room Code
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Drop Unlimited Files to Swing (20GB+ Direct-to-Disk Stream)

Zero cloud upload caps • 64KB chunked SCTP DataChannel • 4MB backpressure • Mobile Screen WakeLock protection

Ready for zero-cloud WebRTC SCTP streaming (64KB chunks, 4MB backpressure control).
WakeLock: STANDBY